Clarkesworld Magazine is an online science fiction and fantasy magazine, three-time winner of the Hugo Award for Best Semiprozine (2010, 2011 & 2013), World Fantasy Award (2014) winner, and a finalist for Locus Award for Best Magazine every year since 2012. Fiction from Clarkesworld has won or been nominated for almost every major genre award for short fiction, including the Hugo, Nebula, and World Fantasy Awards. Each month, the online version of Clarkesworld is read by an average of forty two thousand science fiction and fantasy fans. Our podcast has an monthly audience of over thirteen thousand.

Advertising opportunities are open to the following genre-related organizations and businesses:

  • Publishers (books, magazines, comics, ebooks, etc.)
  • Conventions
  • TV and Movies
  • User Groups, Communities, Forums
  • Genre-related toys, replicas, and other products.

Website Ads

Placement: Ads are displayed on all pages, typically in the right hand column, but may display after content on certain pages (such as the issue table of contents) or when displayed on cell phones. Up to three paid ads will be featured per month and their order of appearance on the page (top to bottom or left to right) will change each time a page is loaded.

Duration: All ads run for the duration of a single issue (published monthly on the first).

Dimensions: 300x250px (width x height)

Resolution: 72dpi

File Formats: .jpg, .png

Size Limit: 250kb

Cost: $250 (USD) per month. Discounts available for blocks of three or more months.

Availability: Please inquire.


Duration: One show

Specifications: 20 seconds, 192bps, stereo, MP3

Options: Have us record your ad from text for an additional $50

Cost: $150 (USD) per episode, discounts available for blocks of three or more podcasts

Availability: Please contact us.

Payment & Delivery of Materials

Materials (image, destination url) and payment must be received by the 15th of the month prior to the issue you’ve selected. If payment is not received, we reserve the right to make your slot available to another customer. Your PayPal payment and materials should be sent to If you don’t have a PayPal account, you can still pay through them via credit card. Please wait for us to confirm availability before issuing payment.


Refunds will only be issued if:

  • your ad is rejected by our staff
  • the issue/show your ad is scheduled to appear in is canceled

Why Would We Reject Your Ad?

Here are a few of the things that we don’t want to see in ads:

  • “adult” products or services
  • scams or things that smell like scams
  • racism, sexism, etc.
  • ads promoting a religious or political agenda
  • visual distractions: animation, blinking, etc.


All advertising is subject to our final approval. Advertiser assumes all liability for their ad content and responsibility for any claims made against Clarkesworld resulting from their ad.


If you have further questions or would like to propose alternate forms of advertising, please feel free to contact Neil at

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